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Vikentia [17]
3 years ago
8

Influenza is capable of genetic reassortment in which genetic components from two influenza strains reassort between themselves.

Which animal strains of influenza prove especially virulent when reassorted with human strains?A. dogs and catsB. ducks and swineC. cows and sheepD. goats and horses
Biology
1 answer:
tester [92]3 years ago
6 0

Answer:

The correct answer is - option B. ducks and swine.

Explanation:

Influenza virus is capable of the genetic reassortment. This reassortment involves the reassortment of genetic parts in between two influenza strain. This takes place due to the ability of influenza virus to alter or modify the structure of Hemagglutinin (HA) and neuraminidase.

Some other characters also helps them to develop different strains for different host such as mutation, antigenic drift and many other conditions. Influenza virus subtype A are belongs to the avian host so they affect the birds such as duck, swan, gesse. Other than avian variants there is another strain that affect pigs known as swan variants. These strains are virulent if reassorted with human strains.

Thus, the correct answer is - option B.

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The health of coral reefs depend on several factors. One is clean water. Erosion on land causes rivers to dump mud on reefs, smo
snow_lady [41]

Answer:

D) When corals are babies floating in the plankton, fish swim with them and protect them from harm.

Explanation:

This is the statement that does not explain how fish and coral relate to one another. It is false that when corals are babies, fish swim with them and protect them. However, the rest of the statements are true. It is true that fish eat predators, and that they also eat seaweed and kelp that could smother the coral. Finally, it is also true that some fish live symbiotically with coral, luring prey for the coral to kill and eat.

7 0
3 years ago
Which of the following cells is formed by meiosis?
Lilit [14]

Answer:

B. A sperm cell

Explanation:

Meiosis creates gametes/sex cells, such as the sperm and egg.

So, sperm cells are formed by meiosis.

Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.

Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.

So, B is the correct answer.

6 0
3 years ago
A student named Janine says that the measure of side b is 64 ft. Please state whether this is correct or incorrect. If this is i
kolezko [41]

The measure of side b as 64 ft is incorrect. The accurate measure would be 8 ft.

According to the Pythagorean theorem, the square of the hypotenuse of a right-angle triangle is the sum of squares of the opposite and the adjacent sides. Mathematically:

hypotenuse^2 = opposite^2 + adjacent^2

In this case, the hypotenuse = 10 ft, the opposite = 6 ft and the adjacent = b

Hence,

b^2 = 10^2 - 6^2

       = 100 - 36

          = 64

b = √64

     = 8 ft

Thus, the side b is 8 ft and not 64 ft.

More on the Pythagorean theorem can be found here: brainly.com/question/16426393

7 0
3 years ago
How does Rosalind franklin deal with Watson and crick taking the credit for the structure of DNA
Lesechka [4]
She doesn't. Rosalind Franklin died shortly after, due to cancer from the radiation used in her x ray experiments with DNA.
3 0
3 years ago
Which of these elements is a noble gas? A. hydrogen (H) B. barium (Ba) C. nitrogen (N) D. krypton (Kr) E. bromine (B
OLEGan [10]

Answer:

the answer is krypton

3 0
3 years ago
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